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Vitamin B6 Deficiency

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A nutritional condition produced by a deficiency of PYRIDOXINE in the diet, characterized by dermatitis, glossitis, cheilosis, and stomatitis. Marked deficiency causes irritability, weakness, depression, dizziness, peripheral neuropathy, and seizures. In infants and children typical manifestations are diarrhoea, anemia, and seizures. Increasingly recognized as a cause is prolonged therapy with certain medications, among them isoniazid, cycloserine, and L-dopa. (From Cecil Textbook of Medicine, 19th ed, p1175)